package follow.juc.heima.day7.Implementthread;

import jdk.nashorn.internal.ir.CallNode;

import java.io.ObjectOutputStream;

/**
 * 死锁
 */
public class Demo6DeadLock {
    public static void main(String[] args) {
        //创建线程任务对象
        Ticket ticket = new Ticket();

        //创建三个窗口对象
        Thread t1 = new Thread(ticket, "窗口1");
        Thread t2 = new Thread(ticket, "窗口2");
        Thread t3 = new Thread(ticket, "窗口3");

        //卖票
        t1.start();
        t2.start();
        t3.start();


    }

    static class Ticket implements Runnable {
        Object lock = new Object();
        private int ticket = 100;

        @Override
        public void run() {
            String name = Thread.currentThread().getName();
            while (true) {
                if ("窗口1".equals(name)) {
                    synchronized (lock) {
                        sell(name);
                    }
                } else {
                    sell(name);
                }
                if (ticket <= 0) {
                    break;
                }
            }
        }

        private synchronized void sell(String name) {
            synchronized (lock) {
                if (ticket > 0) {
                    System.out.println(name + "卖票:" + ticket);
                    ticket--;
                }
            }
        }
    }
}
